USING PHOTOMETRIC STEREO TO REFINE THE GEOMETRY OF A 3D SURFACE MODEL

Zsolt Jankó

Abstract

In this paper we aim at refining the geometry of 3D models of real objects by adding surface bumpiness to them. 3D scanners are usually not accurate enough to measure fine details, such as surface roughness. Photometric stereo is an appropriate technique to recover bumpiness. We use a number of images taken from the same viewpoint under varying illumination and an initial sparse 3D mesh obtained by a 3D scanner. We assume the surface to be Lambertian, but the lighting properties are unknown. The novelty of our method is that the initial sparse 3D mesh is exploited to calibrate light sources and then to recover surface normals. The importance of refining the geometry of a bumpy surface is demonstrated by applying the method to synthetic and real data.

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Paper Citation


in Harvard Style

Jankó Z. (2007). USING PHOTOMETRIC STEREO TO REFINE THE GEOMETRY OF A 3D SURFACE MODEL . In Proceedings of the Second International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, ISBN 978-972-8865-74-0, pages 355-362. DOI: 10.5220/0002047603550362


in Bibtex Style

@conference{visapp07,
author={Zsolt Jankó},
title={USING PHOTOMETRIC STEREO TO REFINE THE GEOMETRY OF A 3D SURFACE MODEL},
booktitle={Proceedings of the Second International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP,},
year={2007},
pages={355-362},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002047603550362},
isbn={978-972-8865-74-0},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Second International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP,
TI - USING PHOTOMETRIC STEREO TO REFINE THE GEOMETRY OF A 3D SURFACE MODEL
SN - 978-972-8865-74-0
AU - Jankó Z.
PY - 2007
SP - 355
EP - 362
DO - 10.5220/0002047603550362